CVE-2025-66174

There is an improper authentication vulnerability in some Hikvision DVR products

Medium · published December 19, 2025

CVSS v3.1
6.5
EPSS
0%
Percentile
27.4
In the wild
Unconfirmed
What it is

There is an improper authentication vulnerability in some Hikvision DVR products. Due to the improper implementation of authentication for the serial port, an attacker with physical access could exploit this vulnerability by connecting to the affected products and run a series of commands.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00350 · 27.4th percentile
Published
2025-12-19T06:39Z
EPSS history
Timeline
  • 19 DEC 06:39Z
    There is an improper authentication vulnerability in some Hikvision DVR products
    cvelistv5